Jump to main content
Jump to site nav
Home
About us
Membership & professional community
Campaigning & outreach
Journals, books & databases
Teaching & learning
News & events
Locations & contacts
Home
About us
Web APIs
Help
Sign in
ChemSpider
Search and share chemistry
Simple
Structure
Advanced
History
Molecular Formula:
Define range intervals using parentheses.
E.g. C7H(10-14)O(0-4)
Molecular Weight:
to
±
(example: 123 ± 1)
min/max
+/-
Nominal Mass:
to
±
-2H+
-H+
+H+
+2H+
min/max
+/-
Average Mass:
to
±
M+CH3CNH
M+CH3OH2
M+.
M+K
M+Na
M+NH4
M+H
M-H
M+acetate
M-.
M+Cl
-e
+e
min/max
+/-
Monoisotopic Mass:
to
±
M+CH3CNH
M+CH3OH2
M+.
M+K
M+Na
M+NH4
M+H
M-H
M+acetate
M-.
M+Cl
-e
+e
min/max
+/-
Search
Search Hits Limit:
100
1000
10000
Filter
Single/Multi-component
Search Any
Search Single-Component Structures Only
Search Multi-Component Structures Only
Isotopically Labeled
Search Any
Search Isotopically Labeled Structures Only
Disregard Isotopically Labeled Structures
Additional Filters
Filter only those having analytical data
Found 1342 results
Search term:
MF = 'C_{23}H_{17}N_{3}O_{4}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
2149142
zoom
C
23
H
17
N
3
O
4
399.39878
31
19
0
0
873423
zoom
C
23
H
17
N
3
O
4
399.3988
28
18
0
0
4655286
zoom
C
23
H
17
N
3
O
4
399.3988
27
20
0
0
2160153
zoom
C
23
H
17
N
3
O
4
399.39878
26
14
0
0
4662768
zoom
C
23
H
17
N
3
O
4
399.3988
26
19
0
0
4494105
zoom
C
23
H
17
N
3
O
4
399.3988
25
18
0
0
4500412
zoom
C
23
H
17
N
3
O
4
399.3988
25
18
0
0
4655287
zoom
C
23
H
17
N
3
O
4
399.3988
25
18
0
0
1143876
zoom
C
23
H
17
N
3
O
4
399.3988
24
15
0
0
1661016
zoom
C
23
H
17
N
3
O
4
399.3988
24
16
0
0
2138157
zoom
C
23
H
17
N
3
O
4
399.39878
24
17
0
0
4660854
zoom
C
23
H
17
N
3
O
4
399.3988
24
21
0
0
4660846
zoom
C
23
H
17
N
3
O
4
399.3988
23
16
0
0
4660851
zoom
C
23
H
17
N
3
O
4
399.3988
23
18
0
0
2206030
zoom
C
23
H
17
N
3
O
4
399.39878
23
17
0
0
2150169
zoom
C
23
H
17
N
3
O
4
399.39878
22
13
0
0
1249551
zoom
C
23
H
17
N
3
O
4
399.3988
21
17
0
0
1659831
zoom
C
23
H
17
N
3
O
4
399.3988
20
18
0
0
942173
zoom
C
23
H
17
N
3
O
4
399.3988
20
12
0
0
959476
zoom
C
23
H
17
N
3
O
4
399.3988
20
12
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement